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Don't use 0 as null pointer constant, part 3

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This part replaces E == 0 by !E, where E has pointer type.
This commit is contained in:
Markus Armbruster 2009-03-23 22:58:54 +01:00
parent 90f8f2b099
commit 6ae4eca045
79 changed files with 121 additions and 121 deletions
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12
src/lib/commands/buil.c
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@ -89,7 +89,7 @@ buil(void)
p = getstarg(player->argp[1],
"Build (ship, nuke, bridge, plane, land unit, tower)? ",
buf);
if (p == 0)
if (!p)
return RET_SYN;
what = *p;
@ -103,7 +103,7 @@ buil(void)
switch (what) {
case 'p':
p = getstarg(player->argp[3], "Plane type? ", buf);
if (p == 0 || *p == 0)
if (!p || !*p)
return RET_SYN;
type = ef_elt_byname(EF_PLANE_CHR, p);
if (type >= 0) {
@ -121,7 +121,7 @@ buil(void)
break;
case 's':
p = getstarg(player->argp[3], "Ship type? ", buf);
if (p == 0 || *p == 0)
if (!p || !*p)
return RET_SYN;
type = ef_elt_byname(EF_SHIP_CHR, p);
if (type >= 0) {
@ -141,7 +141,7 @@ buil(void)
break;
case 'l':
p = getstarg(player->argp[3], "Land unit type? ", buf);
if (p == 0 || *p == 0)
if (!p || !*p)
return RET_SYN;
type = ef_elt_byname(EF_LAND_CHR, p);
if (type >= 0) {
@ -182,7 +182,7 @@ buil(void)
return RET_FAIL;
}
p = getstarg(player->argp[3], "Nuke type? ", buf);
if (p == 0 || *p == 0)
if (!p || !*p)
return RET_SYN;
type = ef_elt_byname(EF_NUKE_CHR, p);
if (type >= 0) {
@ -219,7 +219,7 @@ buil(void)
"Are you sure that you want to build %s of them? ",
player->argp[4]);
p = getstarg(player->argp[6], bstr, buf);
if (p == 0 || *p != 'y')
if (!p || *p != 'y')
return RET_SYN;
}
}